MLA

Kissinger, Henry, 1923-2023. Government 204: Seminar. Box 68, folder 3. 1949 fall. https://collections.library.yale.edu/catalog/11783709.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 68, folder 3"])(1949 fall)[Government 204: Seminar]. https://collections.library.yale.edu/catalog/11783709.